$499 - $649
HP Tuners offers the most valuable software and hardware combination available for the GM Duramax. Not only will it scan your vehicle, but also offers full control over your vehicle's computer for engine and transmission tuning. The VCM Suite supports over 500 editable parameters for the LBZ engine and almost 700 for the new LMM models. Power Stroke and Cummins support is soon to be released.